Cardiac muscle is composed of

Identify the following muscle types shown in the image.

Which of the following types of muscle tissue is being described on the basis of the given statements?
$(i)$ These muscle fibres taper at both ends and do not show striations.
$(ii)$ The wall of internal organs such as the blood vessels,stomach,and intestine contain this type of muscle tissue.
$(iii)$ They are 'involuntary' as their function cannot be directly controlled.

Intercalated discs are the communication junctions between the cells of

Striped muscles have

Describe the structure of cardiac muscle tissue.